Home / 11,422.72-17,122.41-6,481.92

Finding the Fourth Proportional to 11,422.72, 17,122.41 and 6,481.92

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Solution

The fourth proportional to 11,422.72, 17,122.41 and 6,481.92 is: 9,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.72 : 17,122.41 = 6,481.92 : x
  2. Step 2: Convert to fraction form
    11,422.72/17,122.41 = 6,481.92/x
  3. Step 3: Cross multiply
    11,422.72x = 17,122.41 × 6,481.92
  4. Step 4: Simplify right side
    11,422.72x = 110,986,091.83
  5. Step 5: Solve for x
    x = 110,986,091.83/11,422.72
  6. Step 6: Final answer
    x = 9,716.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.